Home / 90,446.39-135,670.74-34,271.41

Finding the Fourth Proportional to 90,446.39, 135,670.74 and 34,271.41

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Solution

The fourth proportional to 90,446.39, 135,670.74 and 34,271.41 is: 51,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,446.39 : 135,670.74 = 34,271.41 : x
  2. Step 2: Convert to fraction form
    90,446.39/135,670.74 = 34,271.41/x
  3. Step 3: Cross multiply
    90,446.39x = 135,670.74 × 34,271.41
  4. Step 4: Simplify right side
    90,446.39x = 4,649,626,705.83
  5. Step 5: Solve for x
    x = 4,649,626,705.83/90,446.39
  6. Step 6: Final answer
    x = 51,407.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.